Growing community of inventors

Amsterdam, Netherlands

Fred F Hage

Average Co-Inventor Count = 4.00

ph-index = 1

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 3

Fred F Hage ↔ Carl Lesley Willis (2 patents)Fred F Hage ↔ Adriaan A Van Der Huizen (2 patents)Fred F Hage ↔ Eric Johannes De Boer (1 patent)Fred F Hage ↔ Eric J DeBoer (1 patent)Fred F HageFred F Hage (2 patents)Carl Lesley WillisCarl Lesley Willis (132 patents)Adriaan A Van Der HuizenAdriaan A Van Der Huizen (8 patents)Eric Johannes De BoerEric Johannes De Boer (6 patents)Eric J DeBoerEric J DeBoer (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Shell Oil Comapny (2 from 7,645 patents)


2 patents:

1. 5387649 - Polymer production

2. 5364911 - Production of alkali metallated olefin polymers

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12/15/2025
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